CN114527050A - Water conservancy project building joint filling material stagnant water capability test device - Google Patents
Water conservancy project building joint filling material stagnant water capability test device Download PDFInfo
- Publication number
- CN114527050A CN114527050A CN202210127152.2A CN202210127152A CN114527050A CN 114527050 A CN114527050 A CN 114527050A CN 202210127152 A CN202210127152 A CN 202210127152A CN 114527050 A CN114527050 A CN 114527050A
- Authority
- CN
- China
- Prior art keywords
- water
- box body
- fixedly arranged
- lifting device
- hydraulic lifting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 86
- 238000012360 testing method Methods 0.000 title claims abstract description 51
- 239000000463 material Substances 0.000 title claims abstract description 14
- 238000007789 sealing Methods 0.000 claims abstract description 20
- 238000001514 detection method Methods 0.000 claims abstract description 14
- 239000003566 sealing material Substances 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 4
- 238000001802 infusion Methods 0.000 claims description 2
- 239000007788 liquid Substances 0.000 description 4
- 230000003028 elevating effect Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
- G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
- G01N15/082—Investigating permeability by forcing a fluid through a sample
- G01N15/0826—Investigating permeability by forcing a fluid through a sample and measuring fluid flow rate, i.e. permeation rate or pressure change
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
- G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
- G01N15/0806—Details, e.g. sample holders, mounting samples for testing
Abstract
The invention discloses a water stopping performance testing device for joint filling materials of hydraulic structures, which is characterized in that: comprises a lower box body, the upper end of the lower box body is connected with an upper box body through a flange component, a water pump is fixedly arranged at the upper end of the upper box body, a first hydraulic lifting device is fixedly arranged at the top end of the inner wall of the upper box body, a water tank is fixedly arranged at the lower end of the first hydraulic lifting device, the left side of the front end surface of the upper box body is fixedly provided with a controller component, the sealing strip and the test board on the U-shaped bracket of the invention are inserted into the groove, then the filling bag is inflated by an inflator pump to realize the sealing of the sealing strip and the test board, the left end and the right end of the test board are inserted into the U-shaped groove, the U-shaped supporting frame is fixed by bolts and nuts, the U-shaped supporting frame is driven to move outwards by starting the second hydraulic lifting device, the test board is stretched, through the tensile length of laser detection sensor detection survey test panel, will go up the box through the flange subassembly and fix with lower box, conveniently dismantle and install.
Description
Technical Field
The invention relates to the technical field of water stopping test devices for joint filling materials of hydraulic constructions, in particular to a water stopping performance test device for joint filling materials of hydraulic constructions.
Background
The existing water stopping performance testing device for the joint filling material of the hydraulic structure is complex in structure, inconvenient to fix a testing board, incapable of testing the testing board after being stretched, incapable of determining the stretched length and influencing the accuracy performance of a detection result.
Disclosure of Invention
The invention aims to solve the problems and provides a water stopping performance testing device for a joint filling material of a hydraulic structure.
In order to achieve the purpose, the invention provides the following technical scheme: the method is characterized in that: the water tank lifting device comprises a lower tank body for supporting, wherein the upper end of the lower tank body is connected with an upper tank body through a flange assembly, a water pump for adding water into a water tank is fixedly arranged at the upper end of the upper tank body, a water delivery hose for delivering water is fixedly arranged at a water outlet of the water pump, a first hydraulic lifting device for adjusting the position of the water tank is fixedly arranged at the top end of the inner wall of the upper tank body, the water tank is fixedly arranged at the lower end of the first hydraulic lifting device, a controller assembly is fixedly arranged on the left side of the front end surface of the upper tank body, two supporting plates which are symmetrical to each other are fixedly arranged at the left end and the right end of the inner wall of the lower tank body, a sliding groove is fixedly arranged on the upper end of the supporting plate, a sliding block is slidably connected onto the sliding groove, a second hydraulic lifting device is fixedly arranged at the left end and the right end of the inner wall of the lower tank body, and a U-shaped supporting frame is fixedly arranged at the output end of the second hydraulic lifting device, the utility model discloses a packing box, including U type support frame, sliding block, lower box inner wall, lower box middle position, be provided with U type groove on the U type support frame, be provided with sealed the pad on the U type inslot wall, U type inslot is connected with through bolt and nut surveys test panel, the fixed sliding block that is provided with of U type support frame lower extreme, sliding block slidable mounting is in the slip recess, fixed being provided with the first U type support parallel with U type support in lower box inner wall front and back both ends face, first U type support is provided with downward box middle position open-ended recess, the fixed bag of filling that is used for the filling effect that is provided with on the recess inner wall, be provided with on the first U type support and be used for carrying out the pump of aerifing to the bag of filling, the equal fixed sealing strip that is provided with in both ends around the U type support.
Preferably, the flange assembly is composed of a lower flange at the lower end of the upper box body, an upper flange at the upper end of the lower box body and bolt nuts, and the lower flange is connected with the upper flange through the bolt nuts.
Preferably, the front end face of the upper box body is provided with a transparent observation window convenient for observation.
Preferably, the lower end of the water tank is provided with an opening, a sealing gasket is arranged on the lower end wall of the opening, and the water tank is provided with a pressure gauge for detecting water pressure in the water tank.
Preferably, the first infusion tube is made of a rigid or hard plastic tube.
Preferably, the controller subassembly comprises controller, display screen and manual control button, water pump, first hydraulic pressure elevating gear and controller subassembly pass through electric connection.
Preferably, the second hydraulic lifting device is provided with a laser detection sensor for detecting the distance between the U-shaped support frame, and the second hydraulic lifting device and the laser detection sensor are electrically connected with the controller assembly.
Preferably, an inflation inlet for inflation is formed in the filling bag, the inflator pump is communicated with the inflation inlet through a gas transmission pipeline, and an electric exhaust valve for exhausting is arranged on the gas transmission pipeline.
Compared with the prior art, the invention has the beneficial effects that: the invention relates to a water stopping performance testing device for joint filling materials of hydraulic buildings, a sealing strip and a testing board on a U-shaped bracket are inserted into a groove, then the filling bag is inflated by an inflator pump to realize the sealing of the sealing strip and the test board, the left end and the right end of the test board are inserted into the U-shaped groove, the U-shaped supporting frame is fixed by bolts and nuts, the U-shaped supporting frame is driven to move outwards by starting the second hydraulic lifting device, the test board is stretched, the laser detection sensor is used for detecting the stretching length of the test board, the upper box body and the lower box body are fixed through the flange component, the disassembly and the assembly are convenient, the position of the water tank is adjusted through the first hydraulic lifting device, the lower end surface of the water tank is directly contacted with the U-shaped bracket and the upper end surface of the first U-shaped bracket, prevent water outflow under first hydraulic pressure elevating gear's effect, start the water pump and to the interior liquid feeding of water tank, realize detecting the survey test panel.
Drawings
FIG. 1 is a front view of a water stopping performance testing device of the joint sealing material for hydraulic structures.
FIG. 2 is a schematic structural diagram of a water stopping performance testing device of the joint filling material for hydraulic structures of the invention.
FIG. 3 is a top view of the test board for the sealing performance testing device of the joint filling material of hydraulic structures in accordance with the present invention.
FIG. 4 is a schematic structural diagram of a U-shaped bracket of the water stopping performance testing device of the joint filling material for hydraulic structures of the invention.
FIG. 5 is a schematic structural view of a first U-shaped bracket of the water stopping performance testing device of the joint filling material for hydraulic structures of the invention.
In the figure: 1-a lower box body, 2-an upper box body, 3-a flange component, 4-a transparent observation window, 5-a water pump, 6-a water delivery hose, 7-a first hydraulic lifting device, 8-a water tank, 9-a pressure gauge, 10-a support plate, 11-a first liquid delivery pipe, 12-a U-shaped support frame, 13-a test plate, 14-a sliding groove, 15-a sliding block, 16-a U-shaped groove, 17-a laser detection sensor, 18-a sealing strip, 19-a first U-shaped support, 20-a groove, 21-a filling bag, 22-an inflator pump, 23-a gas delivery pipe and 24-a controller component.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: the method is characterized in that: the water tank comprises a lower tank body 1 used for supporting, the upper end of the lower tank body 1 is connected with an upper tank body 2 through a flange component 3, the flange component 3 consists of a lower flange at the lower end of the upper tank body 2, an upper flange at the upper end of the lower tank body 1 and bolt nuts, the lower flange is connected with the upper flange through the bolt nuts, the front end face of the upper tank body 2 is provided with a transparent observation window 4 convenient for observation, the upper end of the upper tank body 2 is fixedly provided with a water pump 5 used for adding water into the water tank 8, a water outlet of the water pump 5 is fixedly provided with a water delivery hose 6 for delivering water, the top end of the inner wall of the upper tank body 2 is fixedly provided with a first hydraulic lifting device 7 used for adjusting the position of the water tank 8, the lower end of the first hydraulic lifting device 7 is fixedly provided with a water tank 8, the lower end of the water tank 8 is provided with an opening, the lower end wall of the opening is provided with a sealing gasket, the water tank 8 is provided with a pressure gauge 9 used for detecting the water pressure in the water tank 8, a controller assembly 24 is fixedly arranged on the left side of the front end face of the upper box body 2, the controller assembly 24 consists of a controller, a display screen and a manual control button, the water pump 5, the first hydraulic lifting device 7 and the controller assembly 24 are electrically connected, when the water pump is used, the upper box body and the lower box body are fixed through a flange assembly, disassembly and assembly are convenient, the position of the water tank 8 is adjusted through the first hydraulic lifting device 7, and the water pump is started to add liquid into the water tank;
the automatic detection device is characterized in that two symmetrical supporting plates 10 are fixedly arranged at the left end and the right end of the inner wall of the lower box body 1, a sliding groove 14 is fixedly arranged on the upper end face of each supporting plate 10, a sliding block 15 is connected on each sliding groove 14 in a sliding manner, a second hydraulic lifting device 11 is fixedly arranged at the upper end of the supporting plate 10 at the left end and the right end of the inner wall of the lower box body 1, a U-shaped supporting frame 12 is fixedly arranged at the output end of each second hydraulic lifting device 11, the U-shaped supporting frame 12 is opened towards the middle position of the lower box body 1, a U-shaped groove 16 is arranged on each U-shaped supporting frame 12, a sealing gasket is arranged on the inner wall of each U-shaped groove 16, a testing plate 13 is connected in each U-shaped groove 16 through bolts and nuts, a sliding block 15 is fixedly arranged at the lower end of each U-shaped supporting frame 12, each sliding block 15 is slidably arranged in each sliding groove 14, and a laser detection sensor 17 for detecting the distance between the U-shaped supporting frames 12 is arranged on each second hydraulic lifting device 11, the second hydraulic lifting device 11 and the laser detection sensor 17 are electrically connected with the controller assembly 24, when the test board is used, the left end and the right end of the test board 13 are inserted into the U-shaped groove 16 and are fixed through bolts and nuts, the U-shaped support frame is driven to move outwards by starting the second hydraulic lifting device 11, the test board 13 is stretched, and the stretched length of the test board 13 is detected through the laser detection sensor 17;
a first U-shaped bracket 19 parallel to the U-shaped bracket 12 is fixedly arranged on the front end surface and the rear end surface of the inner wall of the lower box body 1, the first U-shaped bracket 19 is provided with a groove 20 which is opened towards the middle position of the lower box body 1, a filling bag 21 for filling is fixedly arranged on the inner wall of the groove 20, the filling bag 21 is provided with an inflation inlet for inflation, the first U-shaped bracket 19 is provided with an inflator 22 for inflating the filling bag 21, the inflator pump 22 is communicated with the inflation inlet through a gas transmission pipeline 23, an electric exhaust valve for exhausting is arranged on the gas transmission pipeline 23, the front end and the rear end of the U-shaped bracket 12 are both fixedly provided with sealing strips 18, when in use, the sealing strips and the test board 13 on the U-shaped bracket 12 are inserted into the grooves 20, then, the air is filled into the filling bag 21 through the air pump, so that the sealing strip and the test board are sealed.
The working principle of the invention is as follows: when in use, the sealing strip and the test board 13 on the U-shaped bracket 12 are inserted into the groove 20, then the filling bag 21 is inflated by the inflator pump to realize the sealing of the sealing strip and the test board, the left end and the right end of the test board 13 are inserted into the U-shaped groove 16, the fixing is carried out through bolts and nuts, the U-shaped supporting frame is driven to move outwards by starting the second hydraulic lifting device 11, the testing plate 13 is stretched, the laser detection sensor 17 is used for detecting the stretching length of the test board 13, the upper box body and the lower box body are fixed through the flange component, the disassembly and the assembly are convenient, the position of the water tank 8 is adjusted through the first hydraulic lifting device 7, the lower end surface of the water tank 8 is directly contacted with the U-shaped bracket 12 and the upper end surface of the first U-shaped bracket, prevent water outflow under first hydraulic pressure elevating gear 7's effect, start the water pump and to the interior liquid feeding of water tank, realize detecting survey test panel 13.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (8)
1. The utility model provides a hydraulic structure joint filling material stagnant water capability test device which characterized in that: the water tank comprises a lower tank body (1) used for supporting, the upper end of the lower tank body (1) is connected with an upper tank body (2) through a flange component (3), a water pump (5) used for adding water into a water tank (8) is fixedly arranged at the upper end of the upper tank body (2), a water delivery hose (6) used for delivering water is fixedly arranged at a water outlet of the water pump (5), a first hydraulic lifting device (7) used for adjusting the position of the water tank (8) is fixedly arranged at the top end of the inner wall of the upper tank body (2), the water tank (8) is fixedly arranged at the lower end of the first hydraulic lifting device (7), a controller component (24) is fixedly arranged on the left side of the front end face of the upper tank body (2), two support plates (10) which are symmetrical to each other are fixedly arranged at the left end and the right end of the inner wall of the lower tank body (1), and a sliding groove (14) is fixedly arranged on the upper end face of each support plate (10), sliding block (15) is connected to the sliding groove (14) in a sliding manner, the left end and the right end of the inner wall of the lower box body (1) are located at the upper end of the supporting plate (10) and are fixedly provided with a second hydraulic lifting device (11), the output end of the second hydraulic lifting device (11) is fixedly provided with a U-shaped supporting frame (12), the U-shaped supporting frame (12) is opened towards the middle position of the lower box body (1), a U-shaped groove (16) is formed in the U-shaped supporting frame (12), a sealing pad is arranged on the inner wall of the U-shaped groove (16), a testing plate (13) is connected in the U-shaped groove (16) through a bolt and a nut, the sliding block (15) is fixedly arranged at the lower end of the U-shaped supporting frame (12), the sliding block (15) is slidably mounted in the sliding groove (14), a first U-shaped support (19) parallel to the U-shaped support (12) is fixedly arranged on the front end face and the rear end faces of the inner wall of the lower box body (1), first U type support (19) are provided with recess (20) to box (1) intermediate position open-ended downwards, fixed filling bag (21) that are used for the filling effect that are provided with on recess (20) inner wall, be provided with on first U type support (19) and be used for carrying out gas filled pump (22) to filling bag (21), both ends are all fixed around U type support (12) and are provided with sealing strip (18).
2. The water stopping performance testing device for the joint sealing material of the hydraulic structure as claimed in claim 1, wherein: the flange assembly (3) is composed of a lower flange at the lower end of the upper box body (2), an upper flange at the upper end of the lower box body (1) and bolt nuts, and the lower flange is connected with the upper flange through the bolt nuts.
3. The water stopping performance testing device for the joint sealing material of the hydraulic structure as claimed in claim 2, wherein: the front end face of the upper box body (2) is provided with a transparent observation window (4) convenient for observation.
4. The water stopping performance testing device for the joint sealing material of the hydraulic structure as claimed in claim 3, wherein: the water tank (8) lower extreme is provided with the opening, be provided with sealed the pad on the opening lower extreme wall, be provided with manometer (9) that are used for detecting water pressure in water tank (8) on water tank (8).
5. The water stopping performance testing device for the joint sealing material of the hydraulic structure as claimed in claim 1, wherein: the first infusion tube (11) is made of rigid or hard plastic tubes.
6. The water stopping performance testing device for the joint sealing material of the hydraulic structure as claimed in claim 5, wherein: the controller assembly (24) is composed of a controller, a display screen and a manual control button, and the water pump (5), the first hydraulic lifting device (7) and the controller assembly (24) are electrically connected.
7. The water stopping performance testing device for the joint sealing material of the hydraulic structure as claimed in claim 6, wherein: the laser detection sensor (17) for detecting the distance between the U-shaped support frame (12) is arranged on the second hydraulic lifting device (11), and the second hydraulic lifting device (11) and the laser detection sensor (17) are electrically connected with the controller component (24).
8. The water stopping performance testing device for the joint filling material of the hydraulic structure as claimed in claim 7, characterized in that: the inflatable bag is characterized in that an inflation inlet for inflation is formed in the filling bag (21), the inflator pump (22) is communicated with the inflation inlet through a gas transmission pipeline (23), and an electric exhaust valve for exhausting is arranged on the gas transmission pipeline (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210127152.2A CN114527050A (en) | 2022-02-11 | 2022-02-11 | Water conservancy project building joint filling material stagnant water capability test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210127152.2A CN114527050A (en) | 2022-02-11 | 2022-02-11 | Water conservancy project building joint filling material stagnant water capability test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114527050A true CN114527050A (en) | 2022-05-24 |
Family
ID=81622346
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210127152.2A Pending CN114527050A (en) | 2022-02-11 | 2022-02-11 | Water conservancy project building joint filling material stagnant water capability test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114527050A (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101566552A (en) * | 2009-06-09 | 2009-10-28 | 西南交通大学 | Anti-penetration performance testing device for waterproof membrane |
| CN104122184A (en) * | 2014-07-23 | 2014-10-29 | 中建三局集团有限公司 | Test device and test method for detecting impervious performance of waterproof coiled material in tensile state |
| CN108872041A (en) * | 2018-04-25 | 2018-11-23 | 广西大学 | A kind of tunnel duct piece waterproof layer performance testing device and test method |
| CN208520696U (en) * | 2018-07-26 | 2019-02-19 | 长春实发汽车科技股份有限公司 | A kind of automobile-used polymer rubber product waterproof test tool |
| CN109827710A (en) * | 2019-04-03 | 2019-05-31 | 南京工程学院 | A kind of electric automobile battery box water resistance test device |
| CN110887736A (en) * | 2019-12-23 | 2020-03-17 | 湖州怡宇服饰有限公司 | Detection apparatus for surface fabric for tailoring |
| CN111579461A (en) * | 2020-06-19 | 2020-08-25 | 河南省水利科学研究院 | Water conservancy project building joint filling material stagnant water capability test device |
| CN111595747A (en) * | 2020-05-13 | 2020-08-28 | 东南大学 | Model device for testing leakage of geomembrane composite vertical barrier and using method and application thereof |
| CN212206481U (en) * | 2020-04-26 | 2020-12-22 | 昆明远达光学有限公司 | Telescope waterproof performance short-term test device |
| JP3234966U (en) * | 2021-08-02 | 2021-11-18 | 日本エイ・ヴィー・シー株式会社 | Cable gland waterproof test device |
| CN215179159U (en) * | 2021-07-16 | 2021-12-14 | 山东中程试验检测有限公司 | Door and window sealing device for detecting wind pressure resistance of door and window |
-
2022
- 2022-02-11 CN CN202210127152.2A patent/CN114527050A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101566552A (en) * | 2009-06-09 | 2009-10-28 | 西南交通大学 | Anti-penetration performance testing device for waterproof membrane |
| CN104122184A (en) * | 2014-07-23 | 2014-10-29 | 中建三局集团有限公司 | Test device and test method for detecting impervious performance of waterproof coiled material in tensile state |
| CN108872041A (en) * | 2018-04-25 | 2018-11-23 | 广西大学 | A kind of tunnel duct piece waterproof layer performance testing device and test method |
| CN208520696U (en) * | 2018-07-26 | 2019-02-19 | 长春实发汽车科技股份有限公司 | A kind of automobile-used polymer rubber product waterproof test tool |
| CN109827710A (en) * | 2019-04-03 | 2019-05-31 | 南京工程学院 | A kind of electric automobile battery box water resistance test device |
| WO2020199312A1 (en) * | 2019-04-03 | 2020-10-08 | 南京工程学院 | Waterproof performance test device for battery box of electric vehicle |
| CN110887736A (en) * | 2019-12-23 | 2020-03-17 | 湖州怡宇服饰有限公司 | Detection apparatus for surface fabric for tailoring |
| CN212206481U (en) * | 2020-04-26 | 2020-12-22 | 昆明远达光学有限公司 | Telescope waterproof performance short-term test device |
| CN111595747A (en) * | 2020-05-13 | 2020-08-28 | 东南大学 | Model device for testing leakage of geomembrane composite vertical barrier and using method and application thereof |
| CN111579461A (en) * | 2020-06-19 | 2020-08-25 | 河南省水利科学研究院 | Water conservancy project building joint filling material stagnant water capability test device |
| CN215179159U (en) * | 2021-07-16 | 2021-12-14 | 山东中程试验检测有限公司 | Door and window sealing device for detecting wind pressure resistance of door and window |
| JP3234966U (en) * | 2021-08-02 | 2021-11-18 | 日本エイ・ヴィー・シー株式会社 | Cable gland waterproof test device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210950412U (en) | Anti-leakage safety plugging device for pressure fluid pipeline | |
| CN211450375U (en) | Natural gas line connects department leak detection device | |
| CN114527050A (en) | Water conservancy project building joint filling material stagnant water capability test device | |
| CN219178843U (en) | Building exterior window airtight performance detection mechanism | |
| CN210154744U (en) | Flange gas tightness detects machine | |
| CN214407932U (en) | Cities and towns pipe network gas tightness detection device | |
| CN212748216U (en) | Air tightness detection equipment with compression structure | |
| CN210400746U (en) | Automobile parts gas tightness monitoring devices | |
| CN214010697U (en) | Leakproofness detection device is used in tee bend production | |
| CN210090422U (en) | Waterproof detection device of basement waterproofing engineering construction | |
| CN213749052U (en) | Pressure testing device for valve detection | |
| CN213600300U (en) | Valve detection device | |
| CN212621308U (en) | Pressure vessel gas tightness verifying attachment convenient to show inspection result | |
| CN212513514U (en) | Airtightness inspection equipment for power amplifier | |
| CN216284160U (en) | Fire-fighting pipeline air tightness detection device | |
| CN210719579U (en) | Device for detecting air tightness of engineering on site door | |
| CN216815921U (en) | Airtightness leakage-proof detection device for manufacturing steel drum | |
| CN220288905U (en) | Sealing detection device for pipeline | |
| CN219608356U (en) | Curtain wall detection device | |
| CN215329723U (en) | Rubber dam equipment | |
| CN215262874U (en) | Portable hydraulic engineering pipeline quality detection device | |
| CN220471398U (en) | Gas pipeline gas leakage detection device | |
| CN217197071U (en) | Corrosion inhibitor recycling application device for inner tube production line | |
| CN213684470U (en) | Low-temperature liquid pump sealing detection device | |
| CN114992080B (en) | Water resource metering control device and control method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20220524 |
|
| WD01 | Invention patent application deemed withdrawn after publication |